./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67d0d28278c33bd8f728db1165a077a9d9ba1963e0d97b66e361587c8715de93 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 19:25:40,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:25:40,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:25:40,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:25:40,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:25:40,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:25:40,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:25:40,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:25:40,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:25:40,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:25:40,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:25:40,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:25:40,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:25:40,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:25:40,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:25:40,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:25:40,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:25:40,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:25:40,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:25:40,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:25:40,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:25:40,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:25:40,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:25:40,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:25:40,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:25:40,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:25:40,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:25:40,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:25:40,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:25:40,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:25:40,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:25:40,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:25:40,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:25:40,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:25:40,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:25:40,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:25:40,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:25:40,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:25:40,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:25:40,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:25:40,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:25:40,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 19:25:40,833 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:25:40,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:25:40,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:25:40,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:25:40,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:25:40,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:25:40,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:25:40,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:25:40,835 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:25:40,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:25:40,835 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:25:40,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:25:40,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:25:40,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:25:40,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:25:40,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:25:40,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:25:40,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:25:40,836 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:25:40,836 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:25:40,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:25:40,837 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:25:40,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:25:40,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:25:40,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:25:40,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:25:40,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:25:40,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:25:40,838 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:25:40,839 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d0d28278c33bd8f728db1165a077a9d9ba1963e0d97b66e361587c8715de93 [2022-12-13 19:25:41,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:25:41,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:25:41,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:25:41,050 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:25:41,050 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:25:41,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 19:25:43,611 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:25:43,782 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:25:43,783 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 19:25:43,791 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/data/74236113b/85bcbdd506094326aae171d9d766239a/FLAGcaac2d3ef [2022-12-13 19:25:43,802 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/data/74236113b/85bcbdd506094326aae171d9d766239a [2022-12-13 19:25:43,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:25:43,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:25:43,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:25:43,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:25:43,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:25:43,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:25:43" (1/1) ... [2022-12-13 19:25:43,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572e7621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:43, skipping insertion in model container [2022-12-13 19:25:43,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:25:43" (1/1) ... [2022-12-13 19:25:43,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:25:43,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:25:43,983 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-13 19:25:44,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:25:44,114 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:25:44,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-13 19:25:44,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:25:44,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:25:44,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:25:44,180 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:25:44,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44 WrapperNode [2022-12-13 19:25:44,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:25:44,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:25:44,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:25:44,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:25:44,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,214 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 116 [2022-12-13 19:25:44,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:25:44,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:25:44,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:25:44,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:25:44,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,233 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:25:44,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:25:44,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:25:44,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:25:44,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (1/1) ... [2022-12-13 19:25:44,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:25:44,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:25:44,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:25:44,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:25:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:25:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 19:25:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:25:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:25:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:25:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 19:25:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 19:25:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 19:25:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 19:25:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:25:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 19:25:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:25:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:25:44,298 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 19:25:44,398 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:25:44,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:25:44,626 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:25:44,732 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:25:44,732 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:25:44,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:25:44 BoogieIcfgContainer [2022-12-13 19:25:44,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:25:44,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:25:44,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:25:44,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:25:44,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:25:43" (1/3) ... [2022-12-13 19:25:44,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71033b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:25:44, skipping insertion in model container [2022-12-13 19:25:44,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:25:44" (2/3) ... [2022-12-13 19:25:44,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71033b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:25:44, skipping insertion in model container [2022-12-13 19:25:44,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:25:44" (3/3) ... [2022-12-13 19:25:44,744 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi001_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 19:25:44,752 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 19:25:44,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:25:44,762 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 19:25:44,762 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 19:25:44,809 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 19:25:44,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 100 transitions, 210 flow [2022-12-13 19:25:44,886 INFO L130 PetriNetUnfolder]: 2/98 cut-off events. [2022-12-13 19:25:44,886 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:25:44,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 98 events. 2/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-12-13 19:25:44,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 100 transitions, 210 flow [2022-12-13 19:25:44,894 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 98 transitions, 202 flow [2022-12-13 19:25:44,897 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 19:25:44,908 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 98 transitions, 202 flow [2022-12-13 19:25:44,911 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 98 transitions, 202 flow [2022-12-13 19:25:44,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 98 transitions, 202 flow [2022-12-13 19:25:44,939 INFO L130 PetriNetUnfolder]: 2/98 cut-off events. [2022-12-13 19:25:44,939 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:25:44,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 98 events. 2/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-12-13 19:25:44,941 INFO L119 LiptonReduction]: Number of co-enabled transitions 1524 [2022-12-13 19:25:47,185 INFO L134 LiptonReduction]: Checked pairs total: 4446 [2022-12-13 19:25:47,185 INFO L136 LiptonReduction]: Total number of compositions: 87 [2022-12-13 19:25:47,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:25:47,204 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@532167dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:25:47,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 19:25:47,209 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-13 19:25:47,209 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:25:47,209 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:25:47,209 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:25:47,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 19:25:47,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:25:47,214 INFO L85 PathProgramCache]: Analyzing trace with hash 316783164, now seen corresponding path program 1 times [2022-12-13 19:25:47,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:25:47,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777179418] [2022-12-13 19:25:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:25:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:25:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:25:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:25:47,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:25:47,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777179418] [2022-12-13 19:25:47,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777179418] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:25:47,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:25:47,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 19:25:47,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282150610] [2022-12-13 19:25:47,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:25:47,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:25:47,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:25:47,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:25:47,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:25:47,508 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 187 [2022-12-13 19:25:47,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 21 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,511 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:25:47,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 187 [2022-12-13 19:25:47,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:25:47,623 INFO L130 PetriNetUnfolder]: 123/233 cut-off events. [2022-12-13 19:25:47,623 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 19:25:47,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 233 events. 123/233 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 854 event pairs, 61 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 465. Up to 116 conditions per place. [2022-12-13 19:25:47,626 INFO L137 encePairwiseOnDemand]: 179/187 looper letters, 25 selfloop transitions, 3 changer transitions 2/32 dead transitions. [2022-12-13 19:25:47,626 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 32 transitions, 133 flow [2022-12-13 19:25:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:25:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:25:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2022-12-13 19:25:47,640 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5080213903743316 [2022-12-13 19:25:47,640 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 285 transitions. [2022-12-13 19:25:47,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 285 transitions. [2022-12-13 19:25:47,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:25:47,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 285 transitions. [2022-12-13 19:25:47,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,652 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,654 INFO L175 Difference]: Start difference. First operand has 27 places, 21 transitions, 48 flow. Second operand 3 states and 285 transitions. [2022-12-13 19:25:47,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 32 transitions, 133 flow [2022-12-13 19:25:47,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 32 transitions, 130 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 19:25:47,659 INFO L231 Difference]: Finished difference. Result has 28 places, 20 transitions, 61 flow [2022-12-13 19:25:47,661 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=28, PETRI_TRANSITIONS=20} [2022-12-13 19:25:47,664 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2022-12-13 19:25:47,665 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 20 transitions, 61 flow [2022-12-13 19:25:47,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,665 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:25:47,665 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:25:47,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:25:47,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 19:25:47,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:25:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1196977836, now seen corresponding path program 1 times [2022-12-13 19:25:47,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:25:47,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173200641] [2022-12-13 19:25:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:25:47,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:25:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:25:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:25:47,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:25:47,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173200641] [2022-12-13 19:25:47,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173200641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:25:47,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:25:47,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:25:47,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028529306] [2022-12-13 19:25:47,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:25:47,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:25:47,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:25:47,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:25:47,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:25:47,788 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 187 [2022-12-13 19:25:47,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 20 transitions, 61 flow. Second operand has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:25:47,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 187 [2022-12-13 19:25:47,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:25:47,895 INFO L130 PetriNetUnfolder]: 110/208 cut-off events. [2022-12-13 19:25:47,896 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-13 19:25:47,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 208 events. 110/208 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 749 event pairs, 61 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 483. Up to 116 conditions per place. [2022-12-13 19:25:47,898 INFO L137 encePairwiseOnDemand]: 182/187 looper letters, 23 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2022-12-13 19:25:47,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 28 transitions, 127 flow [2022-12-13 19:25:47,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:25:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:25:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 360 transitions. [2022-12-13 19:25:47,901 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48128342245989303 [2022-12-13 19:25:47,901 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 360 transitions. [2022-12-13 19:25:47,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 360 transitions. [2022-12-13 19:25:47,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:25:47,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 360 transitions. [2022-12-13 19:25:47,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 187.0) internal successors, (935), 5 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,905 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 187.0) internal successors, (935), 5 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,905 INFO L175 Difference]: Start difference. First operand has 28 places, 20 transitions, 61 flow. Second operand 4 states and 360 transitions. [2022-12-13 19:25:47,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 28 transitions, 127 flow [2022-12-13 19:25:47,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 28 transitions, 124 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:25:47,906 INFO L231 Difference]: Finished difference. Result has 28 places, 18 transitions, 56 flow [2022-12-13 19:25:47,906 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=56, PETRI_PLACES=28, PETRI_TRANSITIONS=18} [2022-12-13 19:25:47,907 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2022-12-13 19:25:47,907 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 56 flow [2022-12-13 19:25:47,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:47,908 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:25:47,908 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:25:47,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:25:47,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 19:25:47,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:25:47,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1196977835, now seen corresponding path program 1 times [2022-12-13 19:25:47,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:25:47,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37815712] [2022-12-13 19:25:47,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:25:47,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:25:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:25:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:25:48,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:25:48,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37815712] [2022-12-13 19:25:48,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37815712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:25:48,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:25:48,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:25:48,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063876880] [2022-12-13 19:25:48,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:25:48,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:25:48,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:25:48,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:25:48,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:25:48,011 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 187 [2022-12-13 19:25:48,011 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 18 transitions, 56 flow. Second operand has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:48,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:25:48,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 187 [2022-12-13 19:25:48,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:25:48,080 INFO L130 PetriNetUnfolder]: 104/194 cut-off events. [2022-12-13 19:25:48,080 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-12-13 19:25:48,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 194 events. 104/194 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 699 event pairs, 61 based on Foata normal form. 8/198 useless extension candidates. Maximal degree in co-relation 447. Up to 116 conditions per place. [2022-12-13 19:25:48,081 INFO L137 encePairwiseOnDemand]: 182/187 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2022-12-13 19:25:48,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 26 transitions, 118 flow [2022-12-13 19:25:48,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:25:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:25:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 358 transitions. [2022-12-13 19:25:48,083 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4786096256684492 [2022-12-13 19:25:48,083 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 358 transitions. [2022-12-13 19:25:48,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 358 transitions. [2022-12-13 19:25:48,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:25:48,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 358 transitions. [2022-12-13 19:25:48,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.5) internal successors, (358), 4 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:48,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 187.0) internal successors, (935), 5 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:48,086 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 187.0) internal successors, (935), 5 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:48,086 INFO L175 Difference]: Start difference. First operand has 28 places, 18 transitions, 56 flow. Second operand 4 states and 358 transitions. [2022-12-13 19:25:48,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 26 transitions, 118 flow [2022-12-13 19:25:48,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 26 transitions, 111 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 19:25:48,087 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2022-12-13 19:25:48,087 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2022-12-13 19:25:48,088 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -1 predicate places. [2022-12-13 19:25:48,088 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2022-12-13 19:25:48,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:25:48,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-13 19:25:48,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-13 19:25:48,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-13 19:25:48,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-13 19:25:48,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-12-13 19:25:48,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-12-13 19:25:48,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-13 19:25:48,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-13 19:25:48,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-13 19:25:48,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-13 19:25:48,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:25:48,091 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 19:25:48,095 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 19:25:48,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:25:48,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:25:48 BasicIcfg [2022-12-13 19:25:48,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:25:48,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:25:48,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:25:48,099 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:25:48,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:25:44" (3/4) ... [2022-12-13 19:25:48,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:25:48,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 19:25:48,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 19:25:48,109 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 19:25:48,109 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 19:25:48,109 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:25:48,109 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:25:48,140 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:25:48,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:25:48,141 INFO L158 Benchmark]: Toolchain (without parser) took 4335.36ms. Allocated memory is still 230.7MB. Free memory was 194.5MB in the beginning and 138.0MB in the end (delta: 56.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-12-13 19:25:48,141 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:25:48,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.68ms. Allocated memory is still 230.7MB. Free memory was 193.5MB in the beginning and 168.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 19:25:48,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.01ms. Allocated memory is still 230.7MB. Free memory was 168.3MB in the beginning and 166.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:25:48,142 INFO L158 Benchmark]: Boogie Preprocessor took 21.68ms. Allocated memory is still 230.7MB. Free memory was 166.2MB in the beginning and 165.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:25:48,142 INFO L158 Benchmark]: RCFGBuilder took 497.71ms. Allocated memory is still 230.7MB. Free memory was 164.1MB in the beginning and 132.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 19:25:48,143 INFO L158 Benchmark]: TraceAbstraction took 3361.07ms. Allocated memory is still 230.7MB. Free memory was 132.6MB in the beginning and 141.2MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:25:48,143 INFO L158 Benchmark]: Witness Printer took 41.25ms. Allocated memory is still 230.7MB. Free memory was 141.2MB in the beginning and 138.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:25:48,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.68ms. Allocated memory is still 230.7MB. Free memory was 193.5MB in the beginning and 168.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.01ms. Allocated memory is still 230.7MB. Free memory was 168.3MB in the beginning and 166.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.68ms. Allocated memory is still 230.7MB. Free memory was 166.2MB in the beginning and 165.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.71ms. Allocated memory is still 230.7MB. Free memory was 164.1MB in the beginning and 132.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3361.07ms. Allocated memory is still 230.7MB. Free memory was 132.6MB in the beginning and 141.2MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.25ms. Allocated memory is still 230.7MB. Free memory was 141.2MB in the beginning and 138.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 103 PlacesBefore, 27 PlacesAfterwards, 98 TransitionsBefore, 21 TransitionsAfterwards, 1524 CoEnabledTransitionPairs, 6 FixpointIterations, 39 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 87 TotalNumberOfCompositions, 4446 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2066, independent: 1887, independent conditional: 0, independent unconditional: 1887, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 856, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2066, independent: 1070, independent conditional: 0, independent unconditional: 1070, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 856, unknown conditional: 0, unknown unconditional: 856] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 4 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=1, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 19:25:48,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_932c1aa2-40a6-4936-b155-020fe17f6bc9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE